<template>
  <div class="cartcontrol">
    <transition name="move">
      <div class="cart-decrease" v-show="food.count>0" @click.stop.prevent="decreaseCart($event)">
        <span class="inner icon-remove_circle_outline"></span>
      </div>
    </transition>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop.prevent="addCart($event)"></div>
  </div>
</template>

<script type="text/ecmascript-6">
import Vue from 'vue'
export default {
  name: 'cartcontrol',
  props: {
    food: {
      type: Object
    }
  },
  methods: {
    decreaseCart (event) {
      if (!event._constructed) {
        return
      }
      if (this.food.count) {
        this.food.count--
      }
    },
    addCart (event) {
      if (!event._constructed) {
        return
      }
      if (!this.food.count) {
        Vue.set(this.food, 'count', 1)
      } else {
        this.food.count++
      }
      this.$emit('cart-add', event.target)
    }
  }
}
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size 0
    .cart-decrease
      display inline-block
      padding 6px
      transition all 0.4s linear
      .move-transition
        opacity 1
        transform translate3d(0,0,0)
      .inner
        display inline-block
        line-height 24px
        font-size 24px
        color rgb(0,160,200)
        transition all 0.4s linear
        transform rotate(0)
      &.move-enter, &.move-leave-to
        opacity 0
        transform translate3d(24px,0,0)
        .inner
          transform rotate(180deg)
    .cart-count
      display inline-block
      vertical-align top
      width 12px
      padding-top 6px
      line-height 24px
      text-align center
      font-size 10px
      color rgb(147,153,179)
    .cart-add
      display inline-block
      padding 6px
      line-height 24px
      font-size 24px
      color rgb(0,160,220)
</style>
